Cool
Average highs are around 12°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 4.3h per day, so this is not one of the brighter months. Rainfall averages 88mm, so some wet days are possible.
Monthly averages
Temp
12°C
Rain
88mm
Sun
4.3h
Sea
10°C
Weather score
20
Poor
Cool
Average highs are around 12°C, so pack for cooler days.
Showers
Rainfall averages 88mm, so some wet days are possible.
Limited sun
Sunshine averages 4.3h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Compare The Catlins, New Zealand with nearby places by weather score, rain, sun, temperature, and swim conditions.
September12°C average high
September is close to The Catlins' yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
September88mm average rain
September sits near The Catlins' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September4.3 hours average sun
September sits close to The Catlins' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to February and October to December
This stretch has the strongest sunshine in the monthly averages.
September10°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April and December
Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.
September20 weather score
September scores below The Catlins' yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.